<template>
  <el-container class="home-container">
    <!-- 头部 -->
    <el-header>
      <div>
        <img src="@/assets/img/heima.png" alt="">
        <span>电商管理系统</span>
      </div>
      <el-button type="info" :plain="true" @click="loginOut">退出</el-button>
    </el-header>
    <el-container>
      <!-- 左侧边栏 -->
      <el-aside :width="this.isCollapse?'64px':'200px'">
        <el-menu background-color="#333744" text-color="#fff" active-text-color="#409eff" unique-opened :collapse="isCollapse" :collapse-transition="false" router :default-active="activePath">
          <div class="toggle-button" @click="toggleCollapse">| | |</div>
          <!-- 一级菜单 -->
          <el-submenu :index="item.id+''" v-for="item in  menuList" :key="item.id">
            <!-- 一级菜单模板区 -->
            <template slot="title">
              <!-- 字体图标 -->
              <i :class="iconsObj[item.id]"></i>
              <!-- 文本 -->
              <span>{{item.authName}}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item :index="'/'+subItem.path" v-for="subItem in item.children" :key="subItem.id" @click="saveNavState('/'+subItem.path)">
              <template slot="title">
                <!-- 字体图标 -->
                <i class="el-icon-menu"></i>
                <!-- 文本 -->
                <span>{{subItem.authName}}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右侧数据表 -->
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>
<script>
  export default {
    name: 'home',
    data () {
      return {
        // 左侧菜单栏数据
        menuList: [],
        // 字体图标
        iconsObj: {
          '125': 'iconfont icon-users',
          '103': 'iconfont icon-tijikongjian',
          '101': 'iconfont icon-shangpin',
          '102': 'iconfont icon-danju',
          '145': 'iconfont icon-baobiao',
        },
        // 是否折叠
        isCollapse: false,
        // 被激活的链接地址
        activePath: '',

      }

    },
    methods: {
      loginOut () {
        // 清除Token
        sessionStorage.clear('token')
        this.$router.push('/login');
        this.$message({
          duration: 1500,
          message: '退出登录成功',
          type: 'warning'
        });
      },
      async getMenuList () {
        const { data: res } = await this.$http.get('menus')
        if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
        this.menuList = res.data
        // console.log(res);
      },
      toggleCollapse () {
        this.isCollapse = !this.isCollapse;
      },
      saveNavState (activePath) {
        sessionStorage.setItem('activePath', activePath)
        this.activePath = activePath
      }
    },
    created () {
      this.getMenuList()
      this.activePath = sessionStorage.getItem('activePath')
    },
  }
</script>
<style lang="less" scoped>
.home-container{
  height: 100%;
  .el-header{
  padding-left: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #373d41;
  >div{
    color: #fff;
    font-size: 18px;
    display: flex;
    align-items: center;
  span{
      margin-left: 15px;    
      }
  }
}
.el-aside{
    background: #454f5a;
    transition: all .3s;
    .el-menu{
      border-right: 0;
    }
}
.el-main{
  background: #eaedf1;
}
.iconfont{
  margin-right: 10px;
}
.toggle-button{
  background: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  cursor: pointer;
}
}

</style>